Collapsible advertisement stand with letter balance



Jan. 9., w JONAS COLLAFSIBLE ADVERTISEMENT STAND WITH LETTER BALANCE Filed Nov. 26, 1937 Attorney Patented Jan. 9, 1940 PATENT OFFICE COLLAPSIBLE ADVERTISEMENT STAND WITH LETTER BALANCE Willi Jonas, Berlin-Neukolln, Germany, assignor of one-half to Karl Gutmann, Berlin, Germany Application November 26, 1937, Serial No. 176,615

In Germany September 3, 1937 3 Claims.

This invention relates to a collapsible advertisement stand in which a letter balance equipped with an interchangeable and collapsible letter carrier is fixed and suspended so that the stand with the letter balance can be dispatched in an ordinary envelope.

The stand for advertisements with the letter balance is illustrated, by way of example, in the accompanying drawing in which Fig. 1 shows, without letter balance, in perspective view the casing-likestand made of a strip of card board, the ends of which are secured in position. I

Fig. 2 is a cross-section on line A--B of Fig. 1.

Fig. 3 shows the letter balance without the stand.

4 shows the advertisement stand and the letter balance ready for use.

Fig. 5 shows in top plan View the carrying plate of the letter balance detached and collapsed.

Fig. 6- shows the collapsed stand and letter balance in an envelope in cross-section on line C-D of Fig. 4.

Fig. 7 shows in elevation an advertisement stand of modified construction.

The stand for advertisements consists of a strip of card board which has longitudinal score lines 4 along which it is to be folded so that it forms in the folded state a tent-like casing open at both ends and comprising a fiat top part 5, front and rear walls 6 and a bottom part 18. Near one end of the card board strip two longitudinal slits I and 2 are made and on the opposite end tonguelike flaps 3, 3a. are provided which, when the card board strip is folded to form the tent-like casing, are to be inserted through the correspond ing slits I and 2.

On the portion of the card board strip destined to form the top part '5 of the stand a bar 9, having longitudinal slits I9, 22, near each end and a hole 23, is fixed by rivets. This bar 9 serves to reinforce the top part 5 and further as carrier for a vertical rod Be on which the rods III, II, l2 and I3 are hingedly mounted which form the letter balance.

These rods 9a, I2, Ill and II form a parallelogram, the two longitudinal sides l0 and H of which being placed over pins l4 and 15 of the vertical bar 9a.

The hinged bar I2 at one end of the parallelogram is sleeve shaped and destined to hold the vertical rod ll of the letter carrier 24.

The right hand end of the lower rod ll of the parallelogram, extending beyond the hinge pin I5, is fixed to a fiat piece l3 of suitable material on which the graduations are marked. This piece l3 engages in the slot IQ of the top wall of the I stand and has a tongue l3a at its upper end.

The parallelogram 9a, l0, I2, H is also attached to the bar .9 [by a spiral spring 20,

The strip of card board on which the letter balance is mounted is then transformed into a stand by folding as shown in Fig. 4'.

If a letter is placed on the cross-shaped letter carrier 24, the spring-controlled hinged parallelogram oscillates about the hinge pins l4, l5 so that the letter carrier 24 is lowered and the scale plate l3 moves upward in slit I8 of the top bar 9. The weight of the letter can then be read on the graduation of plate I3 which registers with the upper surface of the top plate 5.

To dispatch the letter balance the rod I! with the cross formed of bars 24 is removed from the hollow sleeve member l6 and the bars 24 are folded together as shown in Figs. 4 and 5, whereupon the rod I! can be inserted into the casing or stand through the holes 23 in the top strip 5 and in bar 9. The collapsed arms 24 rest then upon the top part 5 as indicated in dash-dot line in Fig. 4.

In order to adapt the letter balance for weighing rolls 25, a thin rubber ring 26 is placed on one of the intersecting bars 24. For weighing rolls this rubber ring 25 is lifted at one side so that the rolls 25 can be slipped under this rubber ring.

This combined letter balance and advertisement stand presents the advantage that, owing to the cheap and light construction, it can be dispatched in an ordinary envelope 35 without the envelope being damaged by the letter balance.

On the back of that part of the card board strip which forms the front wall of the erected stand three rotatable discs 32, 33, 34 are mounted so that they can be rotated. These discs bear, the first one the numerals to indicate the day of the month, the second one the names of the months and the third one 34 the number of the year which appear behind corresponding windows in the card board strip.

In the modified form of construction shown in cross-section in Fig. 7 the casing consists of coloured plates 21, 28 of artificial resin or of press material.

The hinge eyes 29 serving for connecting the two plates 21, 28 are embedded in the material and they are connected the one with the other by a narrow hinge band by means of bolts 3|.

To prevent the stand from slipping rubber strips 35 are fixed on the lower ends of plates 21, 28.

We claim: I 1. Thefcombination of a collapsible advertisement stand with a letter balance adapted to he dispatched in an envelope said letter balance consisting of a horizontal carrier bar, a vertical bar fixed tothe under side of said carrier bar, two hinge pins on said Vertical bar, a long horizontal bar hingedlyr mounted intermediate its lengths on the lower hinge pin of said verticalbar, v

a short horizontal bar hingedly mounted at one H end on the upper hinge pin on said vertical bar, 7 a vertical connecting bar hingedly connecting the other end of said short horizontal bar to one end of said long horizontal bar, a sleeve formed at the side of said vertical connecting ban a letter plate, a pinprojecting from the under side of said letter plate and removably inserted in said sleeve, an eye on the under side of said horizontal carrier bar,'a spring connecting said eye tosaid long horizontal bar at a point intermediate said hinge pin and said vertical connecting bar, a vertical scale plateon the free end-of said long horizontal bar and bearing a scale, and a hollow base'carrying said horizontal carrier bar and having at its upper end an aperture for the passage of the pin of said letter plate and a slot forming on the one hand a guide for said vertical scale plate and onthe hollow base forming the, advertising stand and consisting of a piece of cardboard separated by four longitudinal score lines so that it can be folded to form atent-like casing composed of a top plate adapted to carry the carrier bar and having the apertures for the passage of the letter tray pin and the scale plate, a front wall, a rear wall and a bottom plate.

" 1 WILLI JONAS. 

